Disclosure Of Fair Value Measurement [Text Block]
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | |||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | |||||||||||||||||||||||||||
| Assets | — | — | — | — | — |
33 253
EUR
|
— | — | — | — | — |
31 396
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | |||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | |||||||||||||||||||||||||||
| Equity |
8 672
EUR
|
272,000,000
EUR
|
5 486
EUR
|
2 690
EUR
|
106,000,000
EUR
|
8 778
EUR
|
3,000,000
EUR
|
741,000,000
EUR
|
520,000,000
EUR
|
8 997
EUR
|
406,000,000
EUR
|
9 102
EUR
|
5 445
EUR
|
2 663
EUR
|
1 134
EUR
|
1,000,000
EUR
|
105,000,000
EUR
|
650,000,000
EUR
|
8 911
EUR
|
1 236
EUR
|
160,000,000
EUR
|
3,000,000
EUR
|
2 614
EUR
|
450,000,000
EUR
|
9 024
EUR
|
5 354
EUR
|
113,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |